True or FalseDientamoeba fragilis has both stages : Traphozoite and Cysts

FalseOnly a Traphozoite stage

Dientamoeba fragilis

22

Entamoeba histolytica is a pathogenic amoeba parasite associated with intestinal and extraintestinal infections.Source of infection is through contaminated water, food and hands. Does it have 1 or 2 stages? Name them

2 stagesTraphozoite and Cyst

23

True or FalseInfections with Entamoeba histolytica can be asymptomatic

True

24

True or FalseEntamoeba dispar (non-pathogenic) is identical to Entamoeba histolytica morphologically and further testing isrequired differentiation.

True

25

What is the infectious agent of malaria?

Plasmodium( which is unicellular)

26

What is the pathogenic agent of Coccidia?

Cryptosporidium

27

Cryptosporidium species are ________ and are stained using the Kinyoun stain or fluorescent staina) simple stainb) gram stainc) acid fastd) endospore

c) Acid Fast

c) Helminths

29

Helminths are:a) unicellularb) multicellular

multicellular

30

Adults Helminths are usually large enough to be seen with the naked eye, and they range from the longest _______ up to about 25 m in length, to ___________ less than 1 mm in length.a) helminthsb) roundwormc) tapewormd) eggs and larvae

c) tapeworm ( longest)b) roundworm ( smallest)

31

If helminths are able to be seen by the naked eye, why are they called microorganisms?

because of their infective abilities and because the microscope is necessary to identify their eggs and larvae

32

What are the 2 major groups of parasitic Helminths?

Flatworms & Roundworms

33

_______ have a very thin, often segmented body and _______ have an elongated, cylindrical, un-segmented bodya) flatwormb) tapewormc) ringwormd)roundworm